Finding the Fourth Proportional to 90,582.05, 135,888.71 and 30,611.00

Step by Step Solution

1. Step 1: Write the proportion equation
   90,582.05 : 135,888.71 = 30,611.00 : x
2. Step 2: Convert to fraction form
   90,582.05/135,888.71 = 30,611.00/x
3. Step 3: Cross multiply
   90,582.05x = 135,888.71 × 30,611.00
4. Step 4: Simplify right side
   90,582.05x = 4,159,688,724.10
5. Step 5: Solve for x
   x = 4,159,688,724.10/90,582.05
6. Step 6: Final answer
   x = 45,921.78